Environmental Management System

The Yokogawa Group is implementing an Environmental Management System in its group companies in an effort to ensure full compliance with the laws, regulations, agreements, etc., that are designed for the prevention of environmental pollution. Moreover, to conserve energy and reduce environmentally hazardous substances, the Group is encouraging a shift to alternative technologies to the greatest extent possible and is leading an effort to mitigate its environmental impact.

Yokogawa achieved ISO 14001 certification at its major offices and manufacturing sites as part of its effort to improve the Environmental Management System.


The environment promotion system of Yokogawa Group is managed by the directors of the environment in Yokogawa Electric. The system promotes the group's global environmental conservation activities and preventive measures against global warming.

Organization of Environmental Management Promotion

Organization of Environmental Management Promotion

Compliance with Laws

In 2017 we again endeavored to ensure full compliance with the environmental laws, regulations, agreements, etc., and had no major violations and fines.

Conserving Water and Soil

The Yokogawa Group has conducted soil and water studies at former production sites in accordance with its proprietary control standards, starting before the enactment of Japan's Soil Contamination Countermeasures Law.

Environmental Auditing

Internal Audits

The environmental internal audits for ISO14001 were conducted at least once a year.

Annual Surveillance

Regular inspections (renewal inspection or surveillance) were conducted at each of Yokogawa's ISO14001-certified group companies by an ISO14001 certifying organization in order to maintain ISO14001 certification.

ISO 14001 Certification at Yokogawa Group

The Yokogawa Group has achieved ISO 14001 certification primarily at its major offices and manufacturing sites in Japan and abroad.

As of October 2019

Company name Countries Certified Year
Yokogawa Electric Corporation    Japan 1997
Yokogawa Manufacturing Corporation Japan 1997
Yokogawa Test & Measurement Corporation Japan 1997
Yokogawa Solution Service Corporation Japan 2000
Yokogawa Shanghai Instrumentation Co., Ltd. China 2003
Yokogawa Sichuan Instrument Co., Ltd. China 2000
Yokogawa Electric China Co., Ltd. China 2004
Yokogawa Electronics Manufacturing Korea Co., Ltd. South Korea 2004
Yokogawa Electric International Pte. Ltd. Singapore 2016
Yokogawa Engineering Asia Pte. Ltd. Singapore 2001
Yokogawa Electric Asia Pte. Ltd. Singapore 1998
Yokogawa Philippines, Incorporated Philippines 2007
P.T. Yokogawa Indonesia Indonesia 2015
P.T. Yokogawa Manufacturing Batam Indonesia 2000
Yokogawa (Thailand) Ltd. Thailand 2015
Rota Yokogawa GmbH & Co.KG Germany 2011
Yokogawa Corporation of America USA 2005
Yokogawa Canada, Inc. Canada 2015
Yokogawa de Mexico, S.A. de C.V. Mexico 2015
Yokogawa America do Sul Ltda. Chile 2015
Yokogawa Colombia S.A.S. Colombia 2015
Yokogawa Middle East & Africa B.S.C.(c) Bahrain 2013
Yokogawa Engineering Bahrain SPC Bahrain 2013
Yokogawa Middle East & Africa B.S.C (Closed-Abu Dhabi) UAE 2013
Yokogawa Engineering Middle East & Africa FZE UAE 2013
Yokogawa Saudi Arabia Company Saudi Arabia 2013
Yokogawa Services Saudi Arabia Company Saudi Arabia 2013
Yokogawa Oman Limited L.L.C. Oman 2013
Yokogawa Middle East & Africa B.S.C. (c) Qatar 2013

Yokogawa Electric Corporation and Yokogawa Manufacturing (covered branches: Headquarters, Kofu Factory, Komagane Factory, Kanazawa Factory and Komine Factory) has integrated the ISO14001 certification.